Home / 202,106,559.03-278,908,719.29-111,582,965.80

Finding the Fourth Proportional to 202,106,559.03, 278,908,719.29 and 111,582,965.80

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Solution

The fourth proportional to 202,106,559.03, 278,908,719.29 and 111,582,965.80 is: 153,985,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106,559.03 : 278,908,719.29 = 111,582,965.80 : x
  2. Step 2: Convert to fraction form
    202,106,559.03/278,908,719.29 = 111,582,965.80/x
  3. Step 3: Cross multiply
    202,106,559.03x = 278,908,719.29 × 111,582,965.80
  4. Step 4: Simplify right side
    202,106,559.03x = 31,121,462,085,857,872
  5. Step 5: Solve for x
    x = 31,121,462,085,857,872/202,106,559.03
  6. Step 6: Final answer
    x = 153,985,413.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.